- 1 -
楂樹竴涓嬪鏈熸湡鏈�冭瘯鏁板璇曞嵎锛堢悊绉戯級
涓�銆侀�夋嫨棰橈細鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
60
鍒嗐�傛瘡灏忛鍙湁涓�涓�夐」绗﹀悎棰樻剰銆?/p>
1
锛庡凡鐭?/p>
m
锛?/p>
n
琛ㄧず涓ゆ潯涓嶅悓鐩寸嚎锛?/p>
飦?/p>
琛ㄧず骞抽潰锛屼笅鍒楄娉曚腑姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庤嫢
m
飦?/p>
飦?/p>
锛?/p>
n
飦?/p>
飪?/p>
锛屽垯
m
n
飦?/p>
B
锛庤嫢
m
鈭?/p>
飦?/p>
锛?/p>
n
鈭?/p>
飦?/p>
锛?/p>
鍒?/p>
m
鈭?/p>
n
C
锛庤嫢
m
飦?/p>
飦?/p>
锛?/p>
m
n
飦?/p>
锛屽垯
n
鈭?/p>
飦?/p>
D
锛庤嫢
m
鈭?/p>
飦?/p>
锛?/p>
m
n
飦?/p>
锛屽垯
n
飦?/p>
飦?/p>
2
锛?/p>
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴涓紝
鑻ヨ
伪
鐨勯《鐐逛笌鍘熺偣閲嶅悎锛?/p>
濮嬭竟涓?/p>
x
杞寸殑闈炶礋鍗婅酱閲嶅悎锛?/p>
缁堣竟杩囩偣
P
锛堬梗
锛岋梗
1
锛夛紝鍒?/p>
sin
锛?/p>
锕?/p>
伪
锛?/p>
=
锛?/p>
锛?/p>
A
锛?
B
锛?
C
锛?/p>
D
锛?
3
锛庤嫢
1
1
0
a
b
飥?/p>
飥?/p>
锛屽垯涓嬪垪缁撹涓嶆纭殑鏄紙
锛?/p>
A
锛?/p>
2
2
a
b
飥?/p>
B
锛?/p>
2
ab
b
飥?/p>
C
锛?
2
2
1
1
ab
a
b
飥?/p>
D
锛?/p>
0
a
b
飥?/p>
飥?/p>
4
锛庤嫢绛夋瘮鏁板垪
{
a
n
}
鐨勫悇椤瑰潎涓烘鏁帮紝涓?/p>
a
8
a
13
+
a
9
a
12
=2
6
锛屽垯
log
2
a
1
+
log
2
a
2
+
鈥?/p>
+
log
2
a
20
=
锛?/p>
锛?/p>
A
锛?/p>
120
B
锛?/p>
100
C
锛?/p>
50
D
锛?/p>
60
5
锛?/p>
鍦ㄦ鏂逛綋
1
1
1
1
ABCD
A
B
C
D
飥?/p>
涓紝
鐐?/p>
P
鍦ㄧ嚎娈?/p>
1
AD
涓婅繍鍔紝
鍒欏紓闈㈢洿绾?/p>
CP
涓?/p>
1
BA
鎵�鎴愯
飦?/p>
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A.
0
3
飦?
飦?/p>
飥?/p>
飥?
B
锛?/p>
0
3
飦?/p>
飦?/p>
飥?/p>
飩?
C
锛?/p>
0
2
飦?/p>
飦?/p>
飥?/p>
飥?
D
锛?/p>
0
2
飦?/p>
飦?/p>
飥?/p>
飩?
6
锛庡鍥撅紝姝ｆ柟褰㈢綉鏍间腑锛岀矖瀹炵嚎鐢诲嚭鐨勬槸鏌愬嚑浣曚綋鐨勪笁瑙嗗浘锛岃嫢璇ュ嚑浣曚綋鐨勪綋绉负
7
锛屽垯璇?/p>
鍑犱綍浣撶殑琛ㄩ潰绉负锛?/p>
锛?/p>
A
锛?/p>
18 B
锛?/p>
21 C
锛?/p>
24 D
锛?/p>
27
7
锛庡凡鐭ヤ竴涓瓑姣旀暟鍒楅椤逛负
1
锛岄」鏁版槸鍋舵暟锛屽叾濂囨暟椤逛箣鍜屼负
341
锛?/p>
鍋舵暟椤逛箣鍜屼负
682
锛屽垯杩欎釜鏁板垪鐨勯」鏁颁负
(
)
A
锛?/p>
4
B
锛?/p>
6
C
锛?/p>
8
D
锛?/p>
10
8
锛?/p>
宸茬煡杈归暱涓?/p>
2
鐨勬鏂瑰舰
ABCD
鐨勫洓涓《鐐瑰湪鐞?/p>
O
鐨勭悆闈笂锛?/p>
鐞?/p>
O
鐨勪綋绉负
20
5
3
飦?
锛?/p>
鍒?/p>
OA
涓庡钩闈?/p>
ABCD
鎵�鎴愮殑瑙掔殑浣欏鸡鍊间负锛?/p>
锛?/p>